NEW HAMPSHIRE CDL PRACTICE TEST - GENERAL KNOWLEDGE
21.
The air compressor is connected to:
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the engine.
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the radiator.
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the transmission.
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the suspension system.
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22.
Hazardous materials placards are:
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Signs put on top of a vehicle that identify the hazard class of the cargo.
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Signs put on the outside of a vehicle to warn others of hazardous materials.
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Signs put on the outside of a vehicle that identify the hazard class and weight of the vehicle.
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None of the above.
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23.
Enough tread is especially important in winter conditions. You need at least ________ tread depth on steering axle tires.
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4/32 inch
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8/32 inch
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2/8 inch
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6/24 inch
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24.
Stab braking:
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involves applying the brakes as hard as you can without locking the wheels.
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involves applying the brakes all the way, and releasing them when wheels lock up.
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should never be used.
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involves steady pressure on the brake pedal without locking the wheels.
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25.
If your trailer starts to skid, you should:
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release the brakes.
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steer in the opposite direction.
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lock the brakes.
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pump the brakes.
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26.
When a combination vehicle goes around a corner:
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the driver must keep the rear of your vehicle far away from the curb.
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the front and rear wheels follow a different path.
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the rear wheels of the trailer will never off-track.
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All of the above.
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27.
Nitric acid should:
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not be loaded above any other product.
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stacked to the ceiling.
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loaded above other products.
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piled up high with heavy cargo on top.
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28.
When your drive wheels have poor traction, you should:
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only use the retarder on the rear wheels.
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turn the retarder on.
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only use the retarder on the front wheels.
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turn the retarder off.
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29.
When shifting down, after releasing the clutch for the first time you should:
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push in the clutch again.
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shift to the lower gear.
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press the accelerator.
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brake gently.
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30.
What is an important thing to remember about emergency braking?
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The more heavily loaded semitrailer trailer should be in the rear.
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Pushing down on the brake pedal as hard as you can will only keep the wheels locked up and cause a skid.
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Your natural response (hitting the brakes) is never the right solution.
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You should never use stab braking.
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